Circle.so experienced a notice incident on December 19, 2025 affecting Sign-up & Login and Circle iOS App and 1 more component, lasting 3m. The incident has been resolved; the full update timeline is below.
Affected components
Sign-up & LoginCircle iOS AppPosts & CommentsCircle Android AppNotificationsBranded AppsDirect Messaging & ChatPaywalls & Member BillingLive Streams & RoomsCourses
Update timeline
- investigating Dec 19, 2025, 12:16 PM UTC
We are currently investigating this issue.
- resolved Dec 19, 2025, 02:57 PM UTC
This incident has been resolved. On December 19, Circle experienced a brief period (few minutes) of degraded performance and partial unavailability. The issue was caused by a bug in the AI Agents knowledge import engine, which led to database overload.